Description: Raspberry PI 2 - generation B - type raspberry PI 2 16 sensor suite. 100% brand new and high quality.16pcs GPIO Kit. Designed for Raspberry Pi 3/2 Model B. High reliability and excellent long-term stability. Easy to install and use. Specification: Material: electronic original Detailed Product Size: All Module : Sizes 45mm/ 1.77inch Package Includes: 1 Piece DHT11Temperature Humiture Sensor 1 Piece IR Pyroelectric Infrared PIR Motion Sensor Detector Module 1 Piece DS1302 Clock Module 1 Piece Rain sensor / module rain weather module 1 Piece Sound sensor module 1 Piece HC-SR04 ultrasonic sensor 1 Piece Fire detection of flame sensor module 1 Piece Photoelectric sensor modulea 1 Piece YL-69 Soil humidity sensor 1 Piece Black and white line identification for obstacle avoidance sensor 1 Piece Vibration sensor module 1 Piece MQ-2 gas sensor module 1 Piece 315M super regeneration of 315M wireless transceiver module 1 Piece Tilt sensor module 1 Piece TCRT5000 infrared/optical tracking sensor Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!